34530361240 has 128 divisors (see below), whose sum is σ = 83838888000. Its totient is φ = 12751699968.

The previous prime is 34530361237. The next prime is 34530361247. The reversal of 34530361240 is 4216303543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34530361247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34221856 + ... + 34222864.

Almost surely, 2^34530361240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34530361240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41919444000).

34530361240 is an abundant number, since it is smaller than the sum of its proper divisors (49308526760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34530361240 is a wasteful number, since it uses less digits than its factorization.

34530361240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 34530361240 its reverse (4216303543), we get a palindrome (38746664783).

The spelling of 34530361240 in words is "thirty-four billion, five hundred thirty million, three hundred sixty-one thousand, two hundred forty".